Marco Sanudo Loayza, M.D.

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

73228 Issued in WI

Practice address

17345 Civic Dr Ste 1327
Brookfield, WI 53045-5070

Phone

(414) 447-7330

Fax

(414) 447-1070

NPI assigned

May 27, 2010

Last updated

May 13, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Newborn Care Physicians of Southeastern Wisconsin, LLP

  • Neonatal-Perinatal Medicine Physician
  • Brookfield, WI
  • NPI 1790241222

  Pediatrics

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1274918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747094400000",
    "number": "1659690717",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1327",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530081327",
            "telephone_number": "414-447-7330",
            "fax_number": "414-447-1070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17345 CIVIC DR STE 1327",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530455070",
            "telephone_number": "414-447-7330",
            "fax_number": "414-447-1070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOAYZA",
        "first_name": "MARCO",
        "middle_name": "SANUDO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-05-27",
        "last_updated": "2025-05-13",
        "certification_date": "2025-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "73228",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "MS",
            "license": "25149",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "WI",
            "license": "73228",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sandra Helen Linskens, RN
• Living Insight Supportive Services LLC
• Living Stream Partners
• Livingwell Homecare LLC
• James R. Lloyd, M.D.
• Tyler Loesl, PTA
• Paul Willon Loewenstein, MD
• Pamela K Lofgren, PT
• Michael Jeffrey Logan, MD
• Susan Ann Lohr, CADCIII

• Neonatal-Perinatal Medicine Physician in Brookfield, WI
• Providers in Brookfield, WI by specialty
• Neonatal-Perinatal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.